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相关论文: Chiral skyrmions in an anisotropy gradient driven …

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Skyrmionic materials hold the potential for future information technologies, such as racetrack memories. Key to that advancement are systems that exhibit high tunability and scalability, with stored information being easy to read and write…

Magnetic bimerons are topologically nontrivial spin textures in in-plane easy-axis magnets, which can be used as particle-like information carriers. Here, we report a theoretical study on the nonreciprocal dynamics of asymmetrical…

Skyrmions, novel topologically stable spin vortices, hold promise for next-generation magnetic storage due to their nanoscale domains to enable high information storage density and their low threshold for current-driven motion to enable…

介观与纳米尺度物理 · 物理学 2015-10-28 Dong Liang , John P. DeGrave , Matthew J. Stolt , Yoshinori Tokura , Song Jin

A theoretical study on the interplay of frustrated skyrmion and magnons is useful for revealing new physics and future experiments design. In this work, we investigated the magnon-driven dynamics of frustrated skyrmion in synthetic…

应用物理 · 物理学 2022-08-24 Z. Jin , Y. F. Hu , T. T. Liu , Y. Liu , Z. P. Hou , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin , J. M. Liu

We use atomistic simulations to examine the sliding dynamics of a skyrmion in a two-dimensional system containing a periodic one-dimensional stripe pattern of variations between low and high values of the perpendicular magnetic anisotropy.…

介观与纳米尺度物理 · 物理学 2024-04-24 J. C. Bellizotti Souza , N. P. Vizarim , C. J. O. Reichhardt , C. Reichhardt , P. A. Venegas

Magnetic skyrmions have potential applications in next-generation spintronics devices with ultralow energy consumption. In this work, the current-driven skyrmion motion in a narrow ferromagnetic nanotrack with voltage-controlled magnetic…

介观与纳米尺度物理 · 物理学 2018-09-24 Junlin Wang , Jing Xia , Xichao Zhang , G. P. Zhao , Jing Wu , Yongbing Xu , Zhigang Zou , Yan Zhou

The transport properties of non-trivial spin textures are coming under closer scrutiny as the amount of experimental data and theoretical simulations is increasing. To extend the commonly accepted yet simplifying and approximate picture of…

介观与纳米尺度物理 · 物理学 2021-12-02 Jonathan Kipp , Fabian R. Lux , Yuriy Mokrousov

Magnetic skyrmions are topologically protected spin textures that are promising candidates for low-power spintronic memory and logic devices. Realizing skyrmion-based devices requires an understanding of how structural disorder affects…

When an electron moves in a smoothly varying non-collinear magnetic structure, its spin-orientation adapts constantly, thereby inducing forces that act on both the magnetic structure and the electron. These forces may be described by…

强关联电子 · 物理学 2015-06-04 T. Schulz , R. Ritz , A. Bauer , M. Halder , M. Wagner , C. Franz , C. Pfleiderer , K. Everschor , M. Garst , A. Rosch

To commercialize stable, highly-integrated, and low-power-consuming magnetic memories of skyrmions, stable control of their motion is crucial. Manipulating the inter-skyrmion interactions is key to achieving this goal. We find that…

介观与纳米尺度物理 · 物理学 2023-11-30 Mai Kameda , Koji Kobayashi , Yuki Kawaguchi

Magnetic textures like skyrmions and domain walls coupled to itinerant electrons give rise to rich transport phenomena such as anomalous Hall effect and nonreciprocal current. An interesting case is when the transport coefficient is related…

介观与纳米尺度物理 · 物理学 2024-06-25 Jun Mochida , Hiroaki Ishizuka

For an overdamped particle moving over a two-dimensional periodic substrate under combined dc and ac drives, a series of steps can appear in the velocity force curves that are known as Shapiro steps. Here we show that for skyrmions driven…

介观与纳米尺度物理 · 物理学 2024-04-23 N. P. Vizarim , C. Reichhardt , P. A. Venegas , C. J. O. Reichhardt

We investigate the formation and stability of the skyrmion crystal phase in antiferromagnetic thin films subjected to fieldlike torques such as, e.g., those induced by an electric current in CuMnAs and Mn$_{2}$Au via the inverse…

介观与纳米尺度物理 · 物理学 2019-09-25 Ricardo Zarzuela , Se Kwon Kim , Yaroslav Tserkovnyak

The magnetic skyrmionium is a skyrmion-like structure but carries a zero net skyrmion number, which can be used as a building block for non-volatile information processing devices. Here, we study the dynamics of a magnetic skyrmionium…

介观与纳米尺度物理 · 物理学 2018-04-05 Sai Li , Jing Xia , Xichao Zhang , Motohiko Ezawa , Wang Kang , Xiaoxi Liu , Yan Zhou , Weisheng Zhao

Magnetic skyrmions are quasiparticles with non-trivial topology, envisioned to play a key role in next-generation data technology while simultaneously attracting fundamental research interest due to their emerging topological charge. In…

We numerically and analytically study the transient dynamics of magnetic skyrmions in synthetic antiferromagnets under a magnetic field gradient. We consider skyrmions in a bilayer with antiferromagnetic coupling between the layers. The…

介观与纳米尺度物理 · 物理学 2025-12-03 Bruno Barton-Singer , Anusree Navallur , Stavros Komineas

Magnetic skyrmions have great potential for developing novel spintronic devices. The electrical manipulation of skyrmions has mainly relied on current-induced spin-orbit torques. A recent theoretical model suggested that the skyrmions could…

Magnetic skyrmions with a well-defined spin texture have shown unprecedented potential for various spintronic applications owning to their topologically non-trivial and quasiparticle properties. To put skyrmions into practical technology,…

材料科学 · 物理学 2023-08-16 Ruyi Chen , Chong Chen , Lei Han , Peisen Liu , Rongxuan Su , Wenxuan Zhu , Yongjian Zhou , Feng Pan , Cheng Song

We demonstrate that the Magnus force acting on magnetic skyrmions can be efficiently tuned via modulation of the spin-orbit interaction strength. We show that the skyrmion Hall effect, which is a direct consequence of the non-vanishing…

介观与纳米尺度物理 · 物理学 2019-11-20 C. A. Akosa , H. Li , G. Tatara , O. A. Tretiakov

In chiral magnets without inversion symmetry, the magnetic structure can form a lattice of magnetic whirl lines, a two-dimensional skyrmion lattice, stabilized by spin-orbit interactions in a small range of temperatures and magnetic fields.…

强关联电子 · 物理学 2013-05-29 Karin Everschor , Markus Garst , R. A. Duine , Achim Rosch
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